CN108766230B - Display device with extension board - Google Patents
Display device with extension board Download PDFInfo
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- CN108766230B CN108766230B CN201810619795.2A CN201810619795A CN108766230B CN 108766230 B CN108766230 B CN 108766230B CN 201810619795 A CN201810619795 A CN 201810619795A CN 108766230 B CN108766230 B CN 108766230B
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- end edge
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- 239000000758 substrate Substances 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims 4
- 230000000007 visual effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a display device with an extension plate, which comprises a display panel, an extension plate, a polarizing layer and a shading layer. The display panel is provided with a first substrate and a second substrate; the second substrate is at least partially overlapped with the first substrate and has a second end edge. The first substrate has a protruding section protruding out of the second end edge and a first end edge. The extension plate is arranged on the protruding section and is provided with an inner end edge and an outer end edge; the inner edge is opposite to the second edge to form an interface, and the outer edge extends beyond the first edge. The polarizing layer is covered on one surface of the second substrate, which is opposite to the first substrate, and extends beyond the second end edge to cover the extension plate. The light shielding layer is arranged to at least partially cover the projection range of the interface on the polarizing layer, the first substrate or the second substrate.
Description
Technical Field
The present invention relates to a display device; in particular, the present invention relates to a display device having an extension plate.
Background
Flat and curved display devices are widely used in various electronic devices, such as mobile phones, personal wearable devices, televisions, vehicle hosts, personal computers, digital cameras, and handheld games. However, as consumer demands increase, the design of the appearance of the display device is also increasingly important.
In recent years, the market has been demanding narrow-frame or frameless product design in terms of the appearance of the display device. However, how to achieve the design of the display device with narrow frame or without frame is always a struggle for the product designer. Conventionally, the outer frame or the front frame of the display device can be replaced by back frame glue filling, decorative plates or other methods; however, the above method may cause difficulty in rework, light leakage, or the difference in material between the interfaces to be easily perceived by the user. Therefore, the above methods still have room for improvement.
Disclosure of Invention
The invention aims to provide a display device which can create a narrow-frame or frameless appearance design visual effect.
Another objective of the present invention is to provide a display device, which can improve the visual effect of the design and reduce the light leakage.
The display device provided by the invention comprises a display panel, an extension plate, a polarizing layer and a shading layer. The display panel is provided with a first substrate and a second substrate, and the second substrate is stacked on the first substrate. The second substrate is at least partially overlapped with the first substrate and is provided with a second end edge. The first substrate has a protruding section protruding out of the second end edge and a first end edge. The extension plate is arranged on the protruding section and is adjacent to the second base plate in parallel. The extension plate is provided with an inner end edge and an outer end edge; the inner edge is opposite to the second edge to form an interface, and the outer edge extends beyond the first edge. The polarized light layer covers one side of the second substrate, which is back to the first substrate, and is attached to the second substrate. One end of the polarizing layer extends beyond the second end edge to cover the extension board and is directly or indirectly attached to the extension board. The shading layer is arranged to at least partially cover the projection range of the interface on the polarizing layer, the first substrate or the second substrate. Through the arrangement of the light shielding layer, the chance that light from the backlight module or other places leaks from the interface can be reduced, and the visual effect of the whole appearance is improved.
Drawings
FIG. 1 is an exploded view of the components of an embodiment of a display device;
FIG. 2 is a schematic cross-sectional view of a display device;
FIG. 3A is a schematic cross-sectional view of an embodiment of a display device including a filler material;
FIG. 3B is a schematic cross-sectional view of another embodiment of a display device including a filler material;
FIG. 4 is a cross-sectional view of an embodiment of a display device including an encapsulant;
FIG. 5 is a schematic cross-sectional view of an embodiment of a display device with a light-shielding layer at different positions;
FIG. 6 is a schematic cross-sectional view of another embodiment of a display device with a light-shielding layer at different positions;
FIG. 7 is a cross-sectional view of another embodiment of a display device with a light-shielding layer at different positions.
Description of the symbols
100 display panel
110 first substrate
111 first end edge
113 protruding section
120 second substrate
121 second end edge
200 interface
300 extension plate
Detailed Description
The present invention provides a display device, which in one embodiment of the present invention is a flat or curved display device, such as a liquid crystal display device, an organic light emitting diode display device, a plasma display device, an electrophoretic display device, or the like. The display device may preferably be a computer monitor, a television, a monitor, a vehicle host, or the like. The display device can be applied to other electronic devices, for example, as a display screen of a mobile phone, a digital camera, a handheld game machine, or the like.
In the embodiment shown in fig. 1, the display device includes a display panel 100, an extension plate 300, a polarizing layer 500 and a light shielding layer 700. The display panel 100 may be a liquid crystal display panel, an organic light emitting diode display panel, a plasma display panel, an electrophoretic display panel, etc., but is not limited thereto. The display panel 100 has a first substrate 110 and a second substrate 120, and the second substrate 120 is stacked on the first substrate 110. The first substrate 110 and the second substrate 120 are preferably glass substrates, but may be plastic substrates in different embodiments. The second substrate 120 is at least partially overlapped with the first substrate 110, and the second substrate 120 has a second edge 121. The first substrate 110 has a protruding section 113 protruding out of the second end 121 and a first end 111; in other words, the protruding section 113 does not overlap with the second substrate 120. As shown in fig. 1, the protruding section 113 preferably carries a driving circuit or other circuits thereon, and is preferably formed in a long shape. In addition, as shown in fig. 2, the first edge 111 and the second edge 121 have a first distance G1 between the projections on a plane parallel to the first substrate 110 (e.g., a plane of the first substrate 110 facing the second substrate 120 or other virtual planes). Specifically, the first distance G1 is the width of the elongate portion formed by the protruding section 113.
As shown in fig. 1 and 2, the extension plate 300 is disposed on the protruding section 113 and is adjacent to and parallel to the second substrate 120. The extension board 300 is preferably a plastic substrate; however, in various embodiments, the extension plate 300 may be made of glass or other materials. To provide better stiffness, the young's modulus of the extension plate 300 is preferably not less than 0.5 GPa. In addition, the extension board 300 is preferably made of a material that is not light-tight, but not limited thereto. The thickness of the extension plate 300 is preferably not greater than that of the second substrate 120 so that the surface of the extension plate 300 is flush with the surface of the second substrate 120 or does not protrude from the surface of the second substrate 120. However, in various embodiments, the thickness of the extension plate 300 may be greater than that of the second substrate 120 such that the surface of the extension plate 300 protrudes compared to the second substrate 120 to create a special visual effect. The extension plate 300 has an inner end edge 310 and an outer end edge 330; preferably, the inner edge 310 and the outer edge 330 are two opposite long edges of the elongated extension board 300. The inner edge 310 is opposite the second edge 121 to form the interface 200, and the outer edge 330 extends beyond the first edge 111. The inner edge 310 and the second edge 121 preferably abut each other, and the interface 200 is preferably the position where they abut. However, in various embodiments, the inner edge 310 and the second edge 121 may be opposite to each other without contacting each other, and the interface 200 is a gap therebetween.
As shown in fig. 2, the projection line of the first end edge 111 on the extension board 300 is preferably parallel to the outer end edge 330 with a second gap G2 therebetween. In a preferred embodiment, the ratio G1/(G1+ G2) between the first distance G1 and the sum of the first distance G1 and the second distance G2 is between 0.14 and 0.88. More preferably, the ratio G1/(G1+ G2) is between 0.27 and 0.85. Through the design, the structural stability and the elasticity of the appearance design size can be considered.
As shown in fig. 1 and fig. 2, the polarizing layer 500 covers a surface of the second substrate 120 opposite to the first substrate 110, and is preferably attached to the second substrate 120. One end of the polarizing layer 500 extends beyond the second end edge 121 to cover the extension board 300, and is preferably attached to the extension board 300 directly or indirectly. The rigidity of the polarizing layer 500 is preferably less than that of the extension board 300, but not limited thereto.
The light shielding layer 700 is disposed at least in a projection range of the cover interface 200 on the polarizing layer 500, the first substrate 110, or the second substrate 120. In the present embodiment, as shown in fig. 1 and 2, the light shielding layer 700 is disposed on a surface of the polarizing layer 500 facing the second substrate 121. The light-shielding layer 700 may be formed by coating, attaching, printing, plating, black matrix manufacturing process, or other physical or chemical manufacturing process. In the present embodiment, the light shielding layer 700 is distributed in a wide band outside the visible range of the display device and covers the second substrate 120 and the extension plate 300, thereby covering the interface 200. By the arrangement of the light shielding layer 700, the chance of light leaking from the backlight module or other parts from the interface 200 can be reduced, so as to improve the visual effect of the overall appearance.
In the embodiment shown in fig. 3A, the filling material 900 is disposed on a side of the protruding section 113 facing the extension board 300; the extension plate 300 is disposed on the protruding section 113 by the filling material 900. The filling material 900 preferably has viscosity, thereby positioning the extension plate 300 on the protruding section 113. In addition, the thickness of the filling material 900 may also be higher than the extension board 300, so that the extension board 300 is flush with the surface of the second substrate 120. The filler material 900 may also be preferably disposed on the circuit disposed on the protruding section 113 for additional protection of the circuit. Alternatively, in the embodiment shown in fig. 3B, the filler material 900 may be distributed to the interface 200. When the interface 200 is formed as a gap between the second end edge 121 and the inner end edge 310, the filler 900 may further penetrate into the gap to provide structural reinforcement. In addition, the filling material 900 may also be made of opaque material, so as to provide the effect of blocking light leakage.
Fig. 4 shows another embodiment of the display device. Compared to the design of the foregoing embodiment in which the polarizing layer 700 is aligned with the outer edge 330 of the extension board 300, the polarizing layer 500 in this embodiment extends beyond the outer edge 330. The portion of the polarizing layer 500 that extends beyond the outer edge 330 and the end face of the outer edge 330 together form a V-shaped cross-sectioned channel 510. As shown in fig. 4, the molding compound 600 is disposed to fill the channel 510, and preferably forms a whole molding compound strip to enhance the stability of the whole structure.
In the embodiment shown in fig. 5, the light shielding layer 700 is at least partially disposed on a surface of the protruding section 113 facing the extension board 300. Preferably, the light-shielding layer 700 is formed by a manufacturing process of the same layer as the black matrix in the display panel and is disposed to cover the circuits and circuits disposed on the protruding section 113. In this embodiment, the light shielding layer 700 extends between the first substrate 110 and the second substrate 120, so as to completely cover the projection range of the interface 200 on the first substrate 110. As shown in fig. 5, a portion of the light-shielding layer 700 disposed on the protruding section 113 has a first width W1 from the second edge 121. The ratio of the first width W1 to the first spacing G1 is preferably between 0.15 and 1. With such an arrangement, the light-shielding layer 700 has a relatively sufficient distribution area to block the light path from the light leaking from the display device, thereby further reducing the chance of light leakage.
In the embodiment shown in fig. 6, the second end edge 121 and the inner end edge 310 sandwich a gap therebetween to form the interface 200. The light shielding layer 700 is disposed on the end surface of the second end edge 121; preferably, the light-shielding layer 700 fills the interface 200 formed as the gap to provide a better light leakage prevention effect. In addition, with this arrangement, the possibility of creating a shiny condition at the cut edge of the second end edge 121 is further reduced. The embodiments shown in fig. 5 and 6 may be combined and used in different embodiments. In other words, the light-shielding layer 700 can be simultaneously distributed on the end surfaces of the protruding section 113 and the second end edge 121, so as to achieve a better light leakage protection effect.
Fig. 7 shows another embodiment of the display device. In this embodiment, the light shielding layer 700 is disposed on a surface of the protruding section 113 facing away from the extension board 300. Preferably, the light shielding layer 700 further extends to overlap with the projection range of the second substrate 120 on the first substrate 110, so as to improve the light leakage protection effect. The portion of the light-shielding layer 700 overlapping the projection range has a second width W2 from the second edge 121. In a preferred embodiment, the ratio of the second width W2 to the first distance G1 is preferably between 0.035 and 1.4. With such an arrangement, the light-shielding layer 700 has a relatively sufficient distribution area to block the light path from the light leaking from the display device, thereby further reducing the chance of light leakage.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (25)
1. A display device, comprising:
a display panel having:
a first substrate; and
the second substrate is at least partially overlapped with the first substrate and is provided with a second end edge;
the first substrate is provided with a protruding section which protrudes out of the second end edge, the protruding section is provided with a first end edge, and the projection of the first end edge and the second end edge on a plane parallel to the first substrate has a first distance;
an extension plate disposed on the protruding section and having:
an inner edge opposite to the second edge to form an interface; and
an outer end edge extending beyond the first end edge;
the polarizing layer is covered on one surface of the second substrate, which is back to the first substrate, extends beyond the second end edge and covers the extension plate; and
and the light shielding layer at least covers the projection range of the interface on the second substrate so as to prevent light leakage from the interface.
2. The display device of claim 1, further comprising a filler disposed on a side of the protruding section facing the extension plate, the extension plate being disposed on the protruding section through the filler.
3. The display device according to claim 1, wherein the light-shielding layer is disposed on a surface of the polarizing layer facing the second substrate.
4. The display device according to claim 1, wherein the light-shielding layer is disposed on an end surface of the second end edge.
5. The display device according to claim 1, wherein the light shielding layer is at least partially disposed on a surface of the protruding section facing the extension plate.
6. The display device according to claim 5, wherein the light-shielding layer extends between the first substrate and the second substrate.
7. The display device according to claim 5, wherein a portion of the light-shielding layer disposed on the protruding section has a first width from the second end edge, and a ratio of the first width to the first distance is between 0.15 and 1.
8. The display device according to claim 1, wherein the light-shielding layer is disposed on a surface of the protruding section facing away from the extension plate, and at least partially overlaps a projection range of the second substrate on the first substrate.
9. The display device of claim 8, wherein a portion of the light-shielding layer overlapping the projection range of the second substrate on the first substrate has a second width from the second end, and a ratio of the second width to the first distance is between 0.035 and 1.4.
10. The display device of claim 1, wherein a projection of the first edge on the extension board has a second pitch with the outer edge, and a ratio of the first pitch to a sum of the first pitch and the second pitch is between 0.14 and 0.88.
11. The display device of claim 10, wherein a ratio of the first pitch to a sum of the first pitch and the second pitch is between 0.27 and 0.85.
12. The display device according to claim 1, wherein the young's modulus of the extension plate is not less than 0.5 GPa.
13. The display device of claim 1, further comprising a sealant, wherein the polarizer layer extends beyond the outer edge, and the sealant is disposed in a channel formed by the end surface of the outer edge and the portion of the polarizer layer extending beyond the outer edge.
14. A display device, comprising:
a display panel having:
a first substrate; and
the second substrate is at least partially overlapped with the first substrate and is provided with a second end edge;
the first substrate is provided with a protruding section which protrudes out of the second end edge, the protruding section is provided with a first end edge, and the projection of the first end edge and the second end edge on a plane parallel to the first substrate has a first distance;
an extension plate disposed on the protruding section and having:
an inner edge opposite to the second edge to form an interface; and
an outer end edge extending beyond the first end edge;
the polarizing layer is covered on one surface of the second substrate, which is back to the first substrate, extends beyond the second end edge and covers the extension plate;
a light shielding layer at least covering the projection range of the interface on the polarizing layer; or at least covering the projection range of the interface on the first substrate to prevent light leakage from the interface; and
the filling material is provided with viscosity, is arranged between the extension plate and the protruding section and directly contacts the extension plate and the protruding section.
15. The display device according to claim 14, wherein the light-shielding layer is disposed on a surface of the polarizing layer facing the second substrate.
16. The display device according to claim 14, wherein the light-shielding layer is disposed on an end surface of the second end edge.
17. The display device according to claim 14, wherein the light shielding layer is at least partially disposed on a surface of the protruding section facing the extension plate.
18. The display device according to claim 17, wherein the light-shielding layer extends between the first substrate and the second substrate.
19. The display device according to claim 17, wherein a portion of the light-shielding layer disposed on the protruding section has a first width from the second end edge, and a ratio of the first width to the first distance is between 0.15 and 1.
20. The display device according to claim 14, wherein the light-shielding layer is disposed on a surface of the protruding portion opposite to the extending plate, and at least partially overlaps a projection range of the second substrate on the first substrate.
21. The display device of claim 20, wherein a portion of the light-shielding layer overlapping the projection range of the second substrate on the first substrate has a second width from the second end, and a ratio of the second width to the first distance is between 0.035 and 1.4.
22. The display device of claim 14, wherein a projection of the first edge on the extension board has a second pitch with the outer edge, and a ratio of the first pitch to a sum of the first pitch and the second pitch is between 0.14 and 0.88.
23. The display device of claim 22, wherein a ratio of the first pitch to a sum of the first pitch and the second pitch is between 0.27 and 0.85.
24. The display device according to claim 14, wherein the young's modulus of the extension plate is not less than 0.5 GPa.
25. The display device of claim 14, further comprising a sealant, wherein the polarizer layer extends beyond the outer edge, and the sealant is disposed in a channel formed by the end surface of the outer edge and the portion of the polarizer layer extending beyond the outer edge.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107111038A TWI666487B (en) | 2018-03-29 | 2018-03-29 | Display device |
| TW107111038 | 2018-03-29 |
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| Publication Number | Publication Date |
|---|---|
| CN108766230A CN108766230A (en) | 2018-11-06 |
| CN108766230B true CN108766230B (en) | 2021-03-16 |
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| CN201810619795.2A Active CN108766230B (en) | 2018-03-29 | 2018-06-14 | Display device with extension board |
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| CN (1) | CN108766230B (en) |
| TW (1) | TWI666487B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110531547B (en) * | 2018-12-05 | 2022-03-15 | 友达光电股份有限公司 | Display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589585A (en) * | 2014-10-21 | 2016-05-18 | 宸鸿科技(厦门)有限公司 | Touch device and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010065165A (en) * | 1999-12-29 | 2001-07-11 | 구본준, 론 위라하디락사 | Liquid Crystal Display Device |
| JP2006236641A (en) * | 2005-02-23 | 2006-09-07 | Seiko Epson Corp | Lighting system, electro-optical device, and electronic equipment |
| JP4412383B2 (en) * | 2007-04-05 | 2010-02-10 | エプソンイメージングデバイス株式会社 | Input device, electro-optical device, and electronic apparatus |
| CN102841458B (en) * | 2012-08-21 | 2014-11-26 | 深圳市华星光电技术有限公司 | Liquid crystal display device without frame |
| CN103631051A (en) * | 2012-08-29 | 2014-03-12 | 友达光电股份有限公司 | Displaying device |
| CN103197445B (en) * | 2013-03-27 | 2017-05-31 | 京东方科技集团股份有限公司 | Liquid crystal display and electronic equipment |
| US10007151B2 (en) * | 2015-06-10 | 2018-06-26 | Samsung Display Co., Ltd. | Display panel and display device including the same |
| CN106444121B (en) * | 2016-01-14 | 2019-04-05 | 友达光电股份有限公司 | Display device |
| CN105572943A (en) * | 2016-01-14 | 2016-05-11 | 友达光电股份有限公司 | Display device |
| CN106547140A (en) * | 2017-01-17 | 2017-03-29 | 青岛海信电器股份有限公司 | A kind of display floater and liquid crystal indicator |
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2018
- 2018-03-29 TW TW107111038A patent/TWI666487B/en active
- 2018-06-14 CN CN201810619795.2A patent/CN108766230B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105589585A (en) * | 2014-10-21 | 2016-05-18 | 宸鸿科技(厦门)有限公司 | Touch device and production method thereof |
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| Publication number | Publication date |
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| CN108766230A (en) | 2018-11-06 |
| TW201942638A (en) | 2019-11-01 |
| TWI666487B (en) | 2019-07-21 |
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